import  time

# t1=time.time()
# time.sleep(3)
# t2=time.time()
# t3=t1-t2
# print(t3)
#
# list = [10,2,4,7]
# for i in range(0,len(list)-1):
#     for j in range(0,len(list)-i-1):
#         if list[j]>list[j+1]:
#             list[j],list[j+1]=list[j+1],list[j]
# print(list)


# import xlrd
# work=xlrd.open_workbook("./data/test_excel.xls") #打开excel对象
# sheet=work.sheet_by_index(0) #获取第一个sheet
# sheet1=work.sheet_by_name('Sheet2')
# sheets=work.sheet_names() #获取所有的sheet名称
# print(sheet1)
#
# #获取整行整列的值
# print(sheet1.row_values(0))
# print(sheet1.col_values(0))
#
# #读取单元格数据
# print(sheet.cell(1,2).value)
#
# #获取3行第1个值
# print(sheet.row(3)[1].value)
#
# #获取第2列第2个值
# print(sheet.col(2)[2].value)

# import json
# b = '{"psw":"123"}'
# print(b)
# print(type(b))
#
#
# print(type(json.loads(b)))
# print(json.loads(b))

